Song MeaningI think it's about how he is trying to understand her and is showing that he loves her and that she means everything to him, and he uses 'blue as your eyes' to emphasise how much he loves her, but for some reason or another, the girl doesn't seem to love him that way, or is just simply confused?

General CommentThe line, "Clear as the mud, blue as your eyes" suggests to me that she, in fact, does not have blue eyes. Mud is not clear, clearly, so it being said right before 'blue as your eyes' suggests the opposite.